9BQF

Structure of the SARS-CoV-2 main protease in complex with inhibitor 78

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	3C-like proteinase nsp5	polymer	306	33825.5	1	UniProt (P0DTD1) Pfam (PF05409)	Severe acute respiratory syndrome coronavirus 2	3CL-PRO,3CLp,Main protease,Mpro,Non-structural protein 5,nsp5,SARS coronavirus main proteinase
2	B (A)	N-[(BENZYLOXY)CARBONYL]-O-(TERT-BUTYL)-L-THREONYL-3-CYCLOHEXYL-N-[(1S)-2-HYDROXY-1-{[(3S)-2-OXOPYRROLIDIN-3-YL]METHYL}ETHYL]-L-ALANINAMIDE	non-polymer		602.8	1	Chemie (NOL)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	33825.5
Non-Polymers*	Number of molecules	1
	Total formula weight	602.8
All*	Total formula weight	34428.3

*Water molecules are not included.